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Forum: Run Management
Re: None Untitled (Bryan Fodness)
Date: 13 Jun, 2002
From: Vladimir Ivanchenko <Vladimir Ivanchenko>

On Thu, 13 Jun 2002, Bryan Fodness wrote:

> *** Discussion title: Run Management
> Email replies to PublicHyperNews@slac.stanford.edu must include:
>   In-Reply-To: <"/runmanage/11"@geant4-hn.slac.stanford.edu>
>   Subject: ...change this to be about your reply.
> 
> I am trying to get an angular distribution of the recoil target nuclei
> produced by 63 MeV protons in silicon. I have to run a large number of
> particles to get a sufficient amount of elastic and inelastic collisions
> and the output is becoming very large (~3Gb). Rather than writing every
> particle that is created and parsing the output, I would like to write
> only the information that deals with a specific physics process.
> 
> Can I write to an output, including the parent, only the tracks in which
> its parent undergoes an elastic or inelastic collision?
> 
> I would like to have the information of Track ID 993 and all its
> constituents written to the output file but not Track ID 994.

The simplest way is to create your own UserTrackingAction or/and
UserSteppingAction -> all information about tracks and step will be
available and can be castomised for print out or histograms.

VI

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1 None: Re: Untitled   (Makoto Asai - 22 Jun, 2002)
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